EP0804673B1 - Kraftübertragungssystem für türen - Google Patents

Kraftübertragungssystem für türen Download PDF

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Publication number
EP0804673B1
EP0804673B1 EP96901173A EP96901173A EP0804673B1 EP 0804673 B1 EP0804673 B1 EP 0804673B1 EP 96901173 A EP96901173 A EP 96901173A EP 96901173 A EP96901173 A EP 96901173A EP 0804673 B1 EP0804673 B1 EP 0804673B1
Authority
EP
European Patent Office
Prior art keywords
engagement
braking
arm
power
arrangement according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP96901173A
Other languages
English (en)
French (fr)
Other versions
EP0804673A1 (de
Inventor
Eric BÄCKMAN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Assa Abloy IP AB
Original Assignee
Entrematic AB
Entrematic AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Entrematic AB, Entrematic AB filed Critical Entrematic AB
Publication of EP0804673A1 publication Critical patent/EP0804673A1/de
Application granted granted Critical
Publication of EP0804673B1 publication Critical patent/EP0804673B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/90—Revolving doors; Cages or housings therefor
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/608—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for revolving wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/13—Type of wing
    • E05Y2900/132—Doors

Definitions

  • This invention relates to a power transmitting device for mechanically controlled doors and the like having a stationary part and a part displaceable relatively to the stationary part especially for revolving door of so called round-about type and similar constructions, namely doors and similar partitions wherein two or more often three door leaves or the like extend essentially radially from a central frame towards curved partitions in order to, during the movement of the frame and the door leaves extending therefrom around a central axis of the frame, define movable passage spaces moving from one side of the door to the other.
  • the invention relates also to such devices utilized for other types of doors, gates, partitions and the like movable along a straight or curved path.
  • Doors of the kind mentioned above also require some sort of braking device in order to stop the movement of the door.
  • the braking effect often is achieved in inductive way by short circuiting the driving motor or in a similar way.
  • One aspect of the invention is to bring about a new operating device which can be used both on driving and on braking of doors and the like of the kinds mentioned, wherein the device both give a better function and make it possible to simplify the construction and reduce the number of necessary components and on top of that includes an automatic safety function.
  • Another aspect is to bring about a new power transmission device having an automatic control and adjusting of the transmission means in relation to transmitted torque.
  • the subject-matter of the invention is defined in claim 1 and relates to a device which transmits driving power and braking power and it is characterized by the features of the characterising part of claim 1 in that adjacent a surface forming an engagement path and being the power transmitting element of the one construction part there is mounted an engagement means forming the power transmitting element of the other construction part wherein the engagement means is carried by a pivotable arm so arranged and dimensioned that a set angle of friction is achieved resulting in an automatic engaging of the engagement means with the engagement path with a force varying in relation to the torque transmitted.
  • a frame 1 there is a frame 1 and the frame includes bottom section 2 consisting of two metal sheets arranged at a distance from each other, a top section likewise consisting of two metal sheets arranged at a distance from each other and further three pillars 3 made of pipes or hollow profiles.
  • the corners of the sheets are welded to each pillar and the outwardly open spaces between the two lower and the two upper sheets respectively are closed by side pieces 4 also welded to the edge of each sheet.
  • the two lower metal sheets 5 and 6 have aligned circular holes 7 and a cylindrical ring is fitted into the two holes and welded to the edges of the holes.
  • the one part of a roller bearing 9 is attached to the lower sheet 6 of the bottom section and the other part of the roller bearing is via an intermediate ring secured to a base plate 10 secured to the foundation 11.
  • FIG. 1 A further purpose behind Fig. 1 is also to show that the invention by no means is limited to the embodiment shown in Figs. 2-9 having a curved surface of engagement Y but can also be used for operating doors and the like moving along straight paths.
  • the basic elements are a first constructional element K1 not shown in the detail which can be a stationary foundation, a frame or the like and a second neither shown constructional element K2 which can be a door, gate or the like and which is to be movable relatively to the first element.
  • the two elements K1 and K2 of Fig. 1 are relatively movable along a linear path.
  • the surface Y of ring part 8 of element K2 together with the driving and braking devices D and B, respectively, of element K1 form the power transmitting parts between the two elements.
  • the driving and braking devices D and B pivotably arranged relatively to fulcrums are arranged in such a way that they engage the surface Y in determined under opposite angles V1 and V2 resulting in creation of an intended power transmitting engagement.
  • the function and interaction between the parts will appear from the following.
  • the one element K1 is constituted by the base plate 11 mentioned before and belonging to the revolving door.
  • a first pivot pin 12 carrying the driving device D in the following designated 13.
  • the driving device includes a bracket 14 provided with a bearing 15 adapted to the pivot pin 12 and seats for a motor 16, a worm gear 17 and a driving wheel 18 connected to the output shaft of the worm gear and forming the actual engagement part of the driving device.
  • the pivot pin 12 is so localized that on rotating the driving wheel by the motor, the wheel pulls itself towards the surface Y of the inner side of the ring 8.
  • the tangent for the angle of friction V i.e. the angle between a line from the point of engagement A of driving wheel 18 and the center axis S of the wheel and the point of engagement A of the wheel and the pivot axis C of the driving device at the pivot pin 12 smaller than the coefficient of friction between wheel and surface or path. See also Fig. 1. If this relation exists, there will be an automatic engagement as soon as the motor is activated.
  • a weak spring 19 is arranged to keep the wheel 18 lightly in engagement against the surface of the path. On starting the motor the driving wheel will pull itself towards and against the surface with a power increasing torque.
  • the driving device D or 13 is swingably or oscillatably carried by its pivot pin allows for uneveness on the engagement surface. In the embodiment shown it is of no importance if the ring 8 is slightly out of circle as it has no impact on the function. It is not necessary to machine said surface to any higher degree of exactness which naturally reduces the manufacturing cost.
  • the base plate 11 carries one pivot pin 20 more and this swingably carries a second bracket device 21.
  • the swingably mounted bracket device 21 carries a braking device B hereafter designated 22, including a braking roller 23 also constituting the engagement piece and the braking roller 23 is by means of a shaft rigidly connected with a braking disc 24 against which braking shoes or pads 25 may be pressed with a controllable force in order to counteract the rotation of the braking disc and consequently the braking roller 23.
  • an intention is that the engagement piece or braking roller 23 during braking rolls against the surface Y of the ring 8 and that the kenetic energy to be reduced is caused to generate friction heat by the friction between the braking disc 24 and the braking shoes or pads 25.
  • the braking disc is normally not intended to be braked to standing still.
  • the system including a rotating braking roller, a braking disc and braking shoes or pads is replaced by a braking shoe or pad arranged in a way geometrically similar way with that of the roller and in this case the braking shoe directly serves as engagement part in directly engaging the surface Y of the ring 8.
  • the braking shoe On engagement with the surface Y the braking shoe will automatically be pressed harder and harder against the surface in relation to an increasing torque and thus generate an increasing braking power.
  • the bracket means 21 is so arranged in relation to the radial distance between the pivot pin 20 and the surface Y at the inside of the ring 8 that the brake roller 23 after following the swinging of the bracket 21 towards the ring 8 will touch its face - seen in the direction of relative movement - in front of the point where a radius from the pivot pin 20 intersects the ring 8.
  • On activating the brake the roller 23, rolling against the surface Y of the ring 8 will cause a transmission of power this time in a direction from the ring surface Y to the roller 23 whereas in the driving wheel case the transmission takes place in the opposite direction from the driving wheel to the ring surface Y.
  • the angle V of friction between a line from the point of engagement of the braking roll at the ring surface Y to the axis of the pivot pin and one from the same point of engagement running radius against the axis of the roll be less than the coefficient of friction between the roll and the surface Y.
  • the power transmitted is essentially equal to the torque transmitted from the surface Y to the roller on its essentially slip free rolling and is further transmitted to the braking disc 24 and transformed into heat between said disc and the brake pads 25.
  • roller 23 all the time rolls against the surface and this is possible thanks to the fact that the braking roller will be pressed against the surface of the ring with a varying power depending on how hard the pads 25 are pressed against the braking disc 24.
  • the rotatable roller 23 is replaced with a braking shoe or pad having an appropriate friction generating surface it will be found that also here the pressure of engagement against the surface will increase on heavier braking.
  • the embodiment including a roller is however preferred, especially on constructions where the driving arrangement has a transmission of self blocking type where reverse motion is impossible. If the alternative including a braking shoe arrangement was combined with a driving arrangement including a transmission of self blocking type, it might occur, on heavy braking, that the arm by the tangential force resultant is brought along so far that it is will become seized in a braking position. If the driving arrangement is of self locking type, also the door as a whole might be blocked as the reverse movement necessary to release the arm is can not be reached.
  • the shoe or pad naturally must not be allowed to slip against the ring 8 surface Y as it in such a case would be carried along and cause braking.
  • the braking shoe arm is provided with one or several wheels rolling against the surface and keeping the shoe at an appropriate distance from the surface. On braking the arm carrying the shoe is swung against the surface Y whereupon the wheels will flex or other-wise give away so that the friction surface of the shoe will engage the opposite surface Y of the ring 8.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Braking Arrangements (AREA)
  • Extensible Doors And Revolving Doors (AREA)
  • Support Devices For Sliding Doors (AREA)
  • Transmission Devices (AREA)

Claims (10)

  1. Kraft-Übertragungs-Vorrichtung, insbesondere für mechanisch arbeitende Türen und dergleichen mit einem ersten Element (K1) und wenigstens einem relativ dazu verschiebbaren zweiten Element (K2), insbesondere für Türen und dergleichen mit zwei, drei oder mehreren sich von einem drehbaren Rahmen (1) erstreckenden, im wesentlichen radial angeordneten Türflügeln, die für die Zusammenarbeit mit in einer Wand angeordneten bogenförmigen Querwänden angeordnet sind, wobei die Querwände zusammen mit den Türflügeln Durchgangsräume ausbilden, welche auf Drehen des Rahmens sich von der einen Seite der Wand zu der anderen bewegen, und bei dem wenigstens ein Kraftübertragungsgerät für das Übertragen von Übertragungskraft von einer Kraftquelle an dem ersten Element (K1) auf das andere Element (K2) oder umgekehrt angeordnet ist, um die relative Bewegung zwischen den zwei Elementen zu steuern,
    dadurch gekennzeichnet,
    daß die Kraft-Übertragungs-Vorrichtung (13) wenigstens eine an dem einen Element angeordnete Eingriffsfläche (Y) einschließt und wenigstens ein Eingriffsteil (18, 23) des Kraftübertragungsgerätes an dem anderen Element angeordnet ist und dazu bestimmt ist, kraftschlüssig in die Eingriffsfläche (Y) einzugreifen,
    daß das Eingriffsteil (18, 24) an einer armmäßigen Apparatur (14, 21) angeordnet ist und beweglich ist auf die Eingriffsfläche (Y) zu und von ihr weg, und
    daß der das Eingriffsteil tragende Arm (14, 21) um eine Achse parallel zu der Fläche drehbar angeordnet ist und solch eine Erstreckung in bezug auf den Zwischenraum von der Eingriffsfläche (Y) zu der Drehachse entlang einer Linie senkrecht zu dieser Fläche hat, daß der Tangens des Reibungswinkels (V), d.h. des Winkels zwischen der Normalen oder Radialen gegen den Eingriffspunkt (A) des Eingriffsteils auf der Eingriffsfläche (Y) und einer Linie zwischen demselben Eingriffspunkt (A) und der Achse (12, 20) des drehbaren Arms kleiner ist als der Reibungskoeffizient zwischen dem Eingriffsstück (18, 23) und der Eingriffsfläche (Y).
  2. Kraft-Übertragungs-Vorrichtung nach Anspruch 1, dadurch gekennzeichnet,
    daß die Kraftquelle bei dem einen Element (K1) angeordnet ist und einen Antriebsmotor mit einer geeigneten Übersetzung beinhaltet,
    daß das Eingriffsteil ein Rad (18) ist, das durch den Motor angetrieben und durch den Arm (14) getragen wird und angeordnet ist, um in die Eingriffsfläche (Y) bei dem anderen Element (K2) einzugreifen, und
    daß der Arm (14) in solch einer Weise angeordnet ist, daß der Eingriffspunkt des angetriebenen Rades (18) auf der Eingriffsfläche (Y) jenseits eines Punktes auf der Eingriffsfläche liegt, wo ein Radius von der Drehachse des Armes diese Fläche schneidet.
  3. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Kraftquelle das Trägheitsmoment des beweglichen Elementes ist, welches von der zu diesem Element gehörenden Eingriffsfläche (Y) auf die Eingriffsmittel, die von einem schwenkbaren Arm (21) bei dem anderen Element zur nachfolgenden Umwandlung in Hitze getragen werden, übertragen wird.
  4. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß die Eingriffsmittel bestehen aus einer drehbaren Rolle (23), die durch den Arm (21) getragen wird und auf der Eingriffsfläche rollt und verbunden ist mit Bremsmitteln, welche während der Umwandlung der Trägheit in Hitze der Bewegung der Rolle und auch der Bewegung der Eingriffsfläche (Y) entgegenwirkt.
  5. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß die Mittel für den Eingriff Bremsmittel sind, die direkt In die Eingriffsfläche (Y) eingreifen und die Trägheit zu Reibungshitze umwandeln, um dadurch der relativen Bewegung zwischen den Elementen (K1, K2), die die Eingriffsfläche (Y) bzw. die Bremsmittel tragen, entgegenzuwirken.
  6. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Eingriffsfläche (Y) in einer axialen Ebene liegt und eine innere Bahn eines ringförmigen oder zylindrischen Mittels (8) für Kraftübertragung ist, die starr verbunden ist mit einem vorzugsweise beweglichen Teil der Konstruktion (K2 oder 1), wohingegen die Antriebsmittel (13) schwenkbar getragen werden durch ein vorzugsweise stationäres Teil der Konstruktion (K1), die bevorzugt auch das vorherige Element (K2) tragen.
  7. Vorrichtung nach Anspruch 1, 2 oder 3, dadurch gekennzeichnet,
    daß die Antriebsmittel (13) schwenkbar an einem stationären Element (K1) innerhalb eines Rahmens, der das zweite Konstruktionselement (K2) bildet und drehbar ist, befestigt sind, und
    daß das angetriebene Rad (18) der antreibenden Mittel (13), die die Mittel des Eingreifens bilden, angeordnet sind, um mit der Eingriffsfläche (Y), die durch eine innere Seite eines ringförmigen, peripher angeordneten und starr mit diesem Rahmen (1) verbundenen Elementes (8) gebildet wird, zusammenzuarbeiten,
    daß bremsende Mittel (B) ebenso angeordnet sind, um in einer ähnlichen, aber entgegengesetzten Weise mit der Eingriffsfläche (Y) zusammenzuarbeiten, und
    daß die Eingriffsmittel (23) schwenkbar an einem Arm angeordnet sind, um auf die Eingriffsfläche (Y) zu und von ihr weg zu schwingen, und
    daß das Verhältnis des Eingriffswinkels bei beiden antreibenden und bremsenden Mittel so festgesetzt ist. daß ein selbsteingreifender Effekt erzielt wird.
  8. Vorrichtung nach Anspruch 3 oder 4, dadurch gekennzeichnet, daß die bremsenden Mittel eine drehbare Rolle (23) beinhalten, die ausgestattet ist mit einer Reibungsfläche und starr verbunden ist mit einem bremsenden Gerät (24, 25) und zusammen damit durch einen schwenkbaren Arm getragen wird, wobei dieser Arm so angeordnet und lokalisiert ist, daß bei Aktivieren der bremsenden Mittel die bremsende Rolle, die relativ zu der Eingriffsfläche rollt, gegen die Eingriffsfläche mit einer wachsenden Kraft mit wachsendern Moment gedrückt wird.
  9. Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, daß die bremsenden Mittel aus einer bremsenden Backe bestehen, die mit einer Reibungsfläche ausgestattet ist, die durch einen schwenkbar angeordneten Arm getragen wird, der so relativ zu der Eingriffsfläche (Y) unter relativen Bewegungen schräg angeordnet ist, daß bei Aktivieren der Bremse ein Selbsteingreifen vorliegt.
  10. Vorrichtung nach Anspruch 9, dadurch gekennzeichnet, daß die Bremsbacke oder Klotz mit wenigsten verschiebbar angeordneten, rollenden Mitteln ausgestattet ist, die im deaktivierten Zustand die bremsende Backe oder Klotz von der Eingriffsfläche entfernt halten, aber bei Aktivieren verschoben werden, um einen direkten Eingriff zwischen der bremsenden Backe oder Klotz und der Eingriffsfläche zu gestatten.
EP96901173A 1995-01-18 1996-01-18 Kraftübertragungssystem für türen Expired - Lifetime EP0804673B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9500154 1995-01-18
SE9500154A SE503901C2 (sv) 1995-01-18 1995-01-18 Kraftöverförande anordning vid mekaniskt manövrerade dörrar och liknande
PCT/SE1996/000038 WO1996022444A1 (en) 1995-01-18 1996-01-18 Power transmitting device for doors and the like

Publications (2)

Publication Number Publication Date
EP0804673A1 EP0804673A1 (de) 1997-11-05
EP0804673B1 true EP0804673B1 (de) 2000-09-27

Family

ID=20396860

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96901173A Expired - Lifetime EP0804673B1 (de) 1995-01-18 1996-01-18 Kraftübertragungssystem für türen

Country Status (9)

Country Link
US (1) US5937580A (de)
EP (1) EP0804673B1 (de)
JP (1) JP3850441B2 (de)
KR (1) KR100385256B1 (de)
AT (1) ATE196667T1 (de)
DE (1) DE69610486T2 (de)
ES (1) ES2152510T3 (de)
SE (1) SE503901C2 (de)
WO (1) WO1996022444A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011112172A1 (de) * 2011-09-01 2013-03-07 Agtatec Ag Antriebsvorrichtung für einen Karusselltürrotor

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3766686A (en) * 1971-12-21 1973-10-23 Int Steel Co Revolving door operating and speed control mechanism
US3968595A (en) * 1974-11-13 1976-07-13 International Steel Company Operating and speed control mechanism for revolving doors
IT1165214B (it) * 1979-06-11 1987-04-22 Calandritti R Disppositivo antirapina utilizzante una bussola con porta girevole
WO1982002224A1 (en) * 1980-12-23 1982-07-08 Bygningsautomatic As Bmt Multi-function revolving door
AT379914B (de) * 1984-07-13 1986-03-10 Philips Nv Bremsvorrichtung fuer eine wickeleinrichtung eines aufzeichnungs- und/oder wiedergabegeraetes fuer einen bandfoermigen aufzeichnungstraeger
US4581849A (en) * 1984-10-12 1986-04-15 Milan Schwarz Revolving door control
KR890003950B1 (ko) * 1986-05-07 1989-10-13 왕복권 회전문의 자동제어장치
US4800679A (en) * 1987-06-10 1989-01-31 C. J. Rush Inc. Quarter point return mechanism for manually operated revolving doors
US4976065A (en) * 1989-11-20 1990-12-11 Bc Research And Development, Inc. Control apparatus for doors
DK166513B1 (da) * 1990-11-15 1993-06-01 Joergen Erik Olesen Drejedoer
DE4036881A1 (de) * 1990-11-19 1992-05-21 Gartner & Co J Sicherungsvorrichtung fuer eine um eine achse verschwenkbare bzw. drehbare vorrichtung
KR940006719B1 (ko) * 1992-02-12 1994-07-27 왕복권 회전문의 정위치 자동 정지장치

Also Published As

Publication number Publication date
ATE196667T1 (de) 2000-10-15
SE503901C2 (sv) 1996-09-30
WO1996022444A1 (en) 1996-07-25
DE69610486T2 (de) 2001-05-10
EP0804673A1 (de) 1997-11-05
SE9500154L (sv) 1996-07-19
KR19980701486A (ko) 1998-05-15
DE69610486D1 (de) 2000-11-02
ES2152510T3 (es) 2001-02-01
JPH10512637A (ja) 1998-12-02
JP3850441B2 (ja) 2006-11-29
SE9500154D0 (sv) 1995-01-18
US5937580A (en) 1999-08-17
KR100385256B1 (ko) 2003-08-21

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